When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be ...

On Friday, December 19, 2025, comet 3I/ATLAS will make its closest approach to Earth. 3I/ATLAS can be found near the ...

Sky This Week is brought to you in part by Celestron. Friday, December 26The Moon passes 4° north of Saturn at 11 P.M. EST, ...

An Australian startup wants to recycle a geostationary satellite to get an up-close look at the "doomsday" asteroid Apophis. When you purchase through links on our site, we may earn an affiliate ...

An asteroid named YR4 is on a potential collision course with the moon, with NASA estimating a 4% chance of impact in 2032. While the scenario might sound like a Hollywood plot, scientists are ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

All the essential ingredients to kick-start life as we know it have now been found in samples from the asteroid Bennu. This shows that asteroids could have delivered all the prerequisites for life to ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer space. This idea suggests that prebiotic molecules—the building blocks of ...

The discovery and swift monitoring of asteroid 2024 YR4 earlier this year represented Earth's first real-life planetary defense test. When you purchase through links on our site, we may earn an ...

The asteroid Bennu continues to provide new clues to scientists' biggest questions about the formation of the early solar system and the origins of life. As part of the ongoing study of pristine ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system’s ...